EV vs Gas Vehicle Costs in Washington
What fuel costs a driver in Washington, from Washington's own electricity and gasoline prices.
Gas fuel, per year
$2,691
EV electricity, per year
$828
Fuel difference, per year
$1,863
Per mile, EV vs gas
5.5¢ vs 17.9¢
What these fuel costs rest on
- Driving: 15,000 miles a year, the basis of the EPA fuel economy label.
- Electricity: 14.71 cents per kWh, Washington residential average, 2026-07 (U.S. Energy Information Administration, Electric Power Monthly).
- Gasoline: $3.99 a gallon for 2025, all grades. The state price is derived from EIA's state price file and its national annual price.
- Efficiency: the average of 818 EPA-rated electric trims (37.5 kWh per 100 miles) and 1,447 EPA-rated gas trims (22.2 mpg), the three newest EPA model years. A simple average over trims, not weighted by sales.
The federal clean vehicle credit ended for vehicles acquired after September 30, 2025 (IRS); state and local programs are not listed here. Purchase price, insurance and resale value decide the total cost, and EPA publishes none of them, so the calculator asks you for them.
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King CountyPierce CountySnohomish CountySpokane CountyClark CountyThurston CountyKitsap CountyYakima CountyWhatcom CountyBenton CountySkagit CountyCowlitz CountyGrant CountyFranklin CountyIsland CountyLewis CountyChelan CountyClallam CountyGrays Harbor CountyMason CountyWalla Walla CountyWhitman CountyStevens CountyKittitas County